Antifriction-bearing.



R. LINN.

ANTIFRIOTION BEARING.

APPLICATION FILED MAY16,1908.

1,001,764. Patented Aug. 29, 1911.

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ROBERT LINN, OF CHICAGO,

race.

ILLINOIS.

ANTIFRICTIONBEARING.

' Specification of Letters Patent.

Patented Aug. 29, 1911.

. Application filed May 16,1908. Serial No. 433,283.

To all whom it may concern:

Be it known that I, Ronnn'r Lmx, a citizen of the United States, residing at Chicago, in the county of Cool; and State of Illinois, have invented certain new and useful Improvements in Antifriction-Bearings, of which the following is a specification.

This invention relates more particularly to means for reducing the friction in the bearings of wheels of various kinds, as for instance, vehicle wheels, trolley. wheels, pulleys, or the like, or bearings for shaiting of various kinds; and also means for taking up the end thrust of shafting or other similar devices. Its objects are to provide an antifriction bearing in which all of the movement between the various parts will be in. the nature of a rolling or revolving motion so that there will be little or no sliding action between any of the movable parts.

To this endit consists in the combination with a stationary member, as for instance an axle, of rotatable balls or similar devices for carrying the load, other rotatable balls 2 or members interposed between said load.- carrying balls for the purpose of preventing said load-carrying balls from coming in con tact with each other, means for holding said spacing balls in proper position, a hub 01' the like having suitable runways for ,en-

gagement with said load-carrying balls, and

' such other novel features as will be pointed ,out and described hereinafter. However, it will also be noted that the arrangement of these parts may be greatly varied without departing from the. spirit of this invention.

I have shown, an embodimcnt of this invention in the accompanying drawings, in

which' 40 Figure 1 is a sectional elevation of my improved bearing shown as applied to a solid shaft; Fig. 2 is a sectional end view of the same, parts being removed for convenience in illustration; Fig. 3 is a side view, partly in section, showing a modified form; and Fig. 4 is a diagrannnatic view illustrating the underlying principlexfi this invention.

As shown in Fig. 4, it will be noted that when four balls, for instance, are held or guided in pairs in grooves for parallel movement, theseballs may be prevented from engaging with one another by means of a fifth ball interposed between the lirstnamed balls, and all of said first-named balls will tend to rotate the fifth ball in. the same direction, so that there will be no sliding movement between any of these balls. it will alsobe noted that the contact with the fifth ball will tend to continually change the direction of rotation of the first tour balls,

so that these balls will be worn evenly. In order to take advantage of this arrangement, the parts may be arranged in different ways.

As shown in Figs. 1 and 2, 5 represents an axle or shaft having grooves (3 therein serving as runways for the balls '7. These grooves are arranged at a suitable distance apart so that the series ot'balls 7 are separated longitudinally of the shaft, and spacing balls 8 are then introduced between the respective pairs of load-carrying balls 7 in order to prevent said balls from coming in contact with each other. These spacing balls are preferably arranged with their, centers about in line with the centers of the balls 7, that is at about the same distance from the center of the shaft 5; but this arrangement is not essential, as .these halls may be either farther away from the shaft or closer thereto and still perform their main function of keeping the larger balls separated. In the arrangement shown in these figures, the balls 8, when in normal operation, will not touch the shaft 5, as the centrifugal force will carry them out and away from said shaft. However, the shaft may be provided with a groove 9 for holding said balls when the wheel is stopped and also for assistance in assembling. The serics of balls 8 are held in normal position by means of a ring 10 which is preferably grooved on the inner side for engagement with said balls, this ring being a floating ring and not intended to contact with any other parts of the bearing. The hub or bearing portion of the wheel is indicated at ll, and is threaded on the inside as indicated at 12, to receive theout'er bearing rings or cup rings 13 and 14: which engage with, the balls 7. The hub or sleeve 11 is preferably sl'iouldered at l5 to' form a stop' for the bearing rings 13, so that these rings may be readily screwed into position without danger of coming in contact with the floating ring 10. The outer bearing rings 14 are adapted to be adjusted for assembling and also to take up any wear, and when so adjusted may be secured in position by any suitable means. These outer rings are also 119 pl'fiYlt'ltXl with imvalath-projecting flanges which eoine snflieiently close to the axle 5 to prevent tlil't Front getting into the hearing.

The hearing just described is adapted to he used t'or small wheels and Where there is a liniitetl amountof room for the=bea-ring5 hut for large vehicles or for large Wheels, two or more of these hall systems may he eoml'iinetlin one hearing such an 111' angement heing shown in Fig". In this instanee the shift or axle To is not groovetl but is provided with a sleeve 17 havingthereon ball races 1 8 for. the balls 19. are prevented from (fOlTtll'lQ' in contaet with W means of the spacing balls 90 which are'held in position by means of a ring 91, hut in this instance the centers of the spaeing' balls are. somewhat beyond the rent" v inatle suiiieientl v heavvto \vithst'aml a, certain amount ol thrust from the halls i against the balls 90. The hub or outer hearingi'm'mher is indicated at and this may he mode in the form of a sleeve or Pylintler which adapted to fit within the huh or central portion of a wheel to form the hearing. This sleeve is ilHOtlt'lttl at: 23 to ret-eive the hearing" rings or eup ring 2-stwhieh are adapted to engage with the halls 19,. It will he noted that in this 'inslaute there is only one of: such rin s for eat-h set ot halls instead of tXvo rings as above tlt."- serihet'l. Iii-this arrangement; there n-oi ahly a greater outward thrust against the halls 20, and For this reason i have she the retaining ring 521 asheing somewhat St 'oi l -r in oral er i withstand snrh thri.

The hearings at either entl of the hub ma ie attiustetl h) Ll tltiti this'ring may then he Ftt'llltl't in no sition in any desired manner. it will also he 'i'llil tl that the entire hearing may he asfitll'tlilttl in the w wel, as For instance in a l hen lltlttl onto the axle vehieltwhen, ain: t Hi. and the sleeve 'i'Revui'e-{l in positirl-n ill any Ht 4 manner as tor instance. hv l i, f means t i in 'eci that this term of hearing:

tor lesseniinz he itrietimi t retati with or upon 1', hut also provides means 1 the end thrust of a shaft or instance, with the arranget 1 in These halls 1'54 of the hearing halls and the ring 2-1 means of the outer enp vin 5' it I t t t t i I 1 l t by means of the hearing shown. 1'

grooved shaft, halls k said grooves, spacing balls interposed he-,

gagingavith four of'said first-named hall,,

al o secured in sairi easing and ads-titted,

nient shown in Fig. 1, a shaft, such as in: glicated at 5,;uu1en supported in a hea rin'gfifiti of the eha actor shown, would be prevented from lateral movement, and if the end thrust of such a shaft was of considerable ainoul L a number of such bearings could he arranges aiongthe shaft 01' as shown in .Z Q

the lateral movement of a Wheel ispre venteqi Having" thus described my invention, Whit I. elaiin and desire to secure by Letters Patcut. is: t 6 1. in a hearing, the combination a adapted to engage with t1 .v n i i tween said first-naniecl balls tor holding, the saute apart, each of sairlspacing'balls et' a floating: "ring n jagin with saitl' 3pm tug halts; a casing mhub having an inf \YttltllY PiiOjGCl'iDQ shoulder, hearing ring Ftf'tll'tt'l in said Casingand resting: agains ioitl shouhlen and adjustable bearing ring maet with said first-namedhearingrings to;- it'orni a stn'mort for saulcas'ing on said halls;

in a hearing, the et' nihi'nat'ion of 1 larai' ng inemhrr having ad acent raeevays. I

a series of halls engaging;'ivit h' one saitl avsi 'a sevonrl series oflialls e1 with the other i'a'ee'\\'aj"': 'tl v halls interposed hottveen the tit-st t, series Ontil hall of said Hunt heingi ne t vn with tour oi? the halls ins; fl v-Jnv ioevetl ring: euf ni'ing niih the thirtl series: ainl g i'vi'ng tohohi airing oi sh ll 't'i'oni h inq' 1'] n at witwartliv. an outer i ltl' menthol: inwa'i'tliv pro ;eetin" rings 13 swan-ml in saitl outer hear er. one of said riiigrs hetngy tti lfl 'gtii l to (ngsage with the hallso'f'the I l is: meta the other ring) living arlaptetl to engage 'vv'ith the halls et the seeoi'njl series and inivartllv f weir-stingy cups l-t secured in said it hearingn'ieiiihei, one of Haiti cups being :ulaptml to t-i'tga ze with the halls of the f"; ies tHtt'i the other sup} with the balls of th second series. ROBERT LINN.

t Witnesses: 

